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STUDIES ON THE ALKALOIDS OF SOPHORA FLAVESCENS BY 2D-NMR Ⅰ. The Main Alkaloids of Sophora flavescens Ait. From Northeast China and 2D-NMR of N-methylcytisine and Oxysophocarpine
Sun Yuqing, Yu Xishi, Williams Philip
Chinese Journal of Magnetic Resonance . 1991, (
4
): 455 -463 .
